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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. Estimation of natural mortality using catch-at-age and aged mark-recapture data: a multi-cohort simulation study comparing estimation for a model based on the Baranov equations versus a new mortality equation.

    Paper Title:  Estimation of natural mortality using catch-at-age and aged mark-recapture data: a ... , using multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... simulation. Alternative fishing selectivity functions of age of dome-shaped versus sigmoidally shaped were ... number of recaptures-at-age and model the population numbersat- age by annual difference equations ... Science, Vol. 18 (2011): 1–27 Estimation of natural mortality using CatCh-at-agE and agEd mark ... Equations vErsus a nEw mortality Equation S.G. Candy Australian Antarctic Division Department of ... multiple cohorts and multiple years of catch-at-age and aged mark-recapture data was tested using ... simulation. Alternative fishing selectivity functions of age of dome-shaped versus sigmoidally shaped were ...

    Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 1–27 : Автор(ы): Candy, S.G.

  2. Status of krill target strength

    Paper Title:  Status of krill target strength Abstract / Description:  Empirical estimates for the ... target strength of krill are extracted from publications. These are confined to measurements on ... aggregations of live euphausiids and should not be affected by a frequent cause of bias in single-animal ... -cylinder scattering model assuming specific sets of physical and orientational parameters, for which there ... WG-KRll.L-92/11 STATUS OF KRILLTARGET STRENGTH K.G ... . Foote1, D. Chu2 and T.K. Stanton2 Abstract Empirical estimates for the target strength of krill are ... extracted from publications. These are confined to measurements on aggregations of live euphausiids and ... should not be affected by a frequent cause of bias in single-animal measurements, namely thresholding ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Автор(ы): Foote, K.G., D. Chu and T.K. Stanton

  3. Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea

    Paper Title:  Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description:  Following an assessment of Antarctic krill ... (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit of 4 million tonnes and ... catch limit for krill among the SSMUs so as to preclude the inadvertent concentration of catches in a ... season availability of krill (e.g. arrival weights, egg mass, natality rate, foraging trip duration ... and 4% to the South Georgia East (SGE) SSMU following the distribution of colonies reported by ... OPTIONS FOR ALLOCATING THE PRECAUTIONARY CATCH LIMIT OF KRILL AMONG SMALL-SCALE MANAGEMENT UNITS IN THE ... of Antarctic krill (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Автор(ы): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins

  4. Draft: differences in the foraging strategies of male and female Adelie penguins

    Abstract:  Consistent gender differences in foraging trip durations, feeding localities and diet ... of breeding Adelie penguins were demonstrated at two widely separated locations over a number of ... frequently and consumed larger quantities of krill, especially when chicks were small. Males tended instead ... on fish throughout chick rearing. The importance of these results to monitoring programs such as the ...

    Meeting Document : WG-EMM-95/46 : Автор(ы): Franchi, E., Kerry, K., Clarke, J.

  5. Acoustic estimates of krill density at South Georgia, December/January 1998/99

    north-west and north-east of South Georgia during December/January 1998/99 were used to estimate mean ... krill density there. Densities (east = 11.1 g m-2, west = 12.0 g m-2) were towards the lower end of the ... range observed over the past two decades, but not abnonnally low, and comprised almost entirely of large ... estimates of krill density at South Georgia, December/January 1998/99 Approval:  Approved ...

    Meeting Document : WG-EMM-99/20 : Автор(ы): A.S. Brierley and C. Goss (United Kingdom)

  6. Acoustic data analysis and models of krill spatial distribution

    Paper Title:  Acoustic data analysis and models of krill spatial distribution Abstract ... descriptors of krill spatial aggregation: power spectra for krill biomass fluctuations in space, semivariogram ... (spatial autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The ... wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales smaller than 1 km the ... , 85 pp. MARR, J.W. 1962. The natural history and geography of Antarctic krill Euphausia superba ... OF KRILL SPATIAL DISTRIBUTION A. Morin, A. Okubo and K. Kawasaki Abstract Acoustic data ... obtained on 4-5 January 1987 aboard the RN ProfesSor Siedlecki were used in three descriptors of krill ... autocorrelation of krill biomass) and the frequency distribution of krill biomass estimate. The wavenumber ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 311–329 : Автор(ы): Morin, A., A. Okubo and K. Kawasaki

  7. Bacteria and detritus: Trophic modelling of the Ross Sea

    . Bradford-Grieve and S.M. Hanchet.  2010.  A balanced model of the food web of the Ross Sea, Antarctica ... of animals that have died for reasons other than predation (including disease, starvation, excess ... -parasite load), as well as parts of animals that died due to predation but were not consumed at the time ... autumn just after the diatom pulse. It is thought that this pulse represents the die-out of this ... modelling of the Ross Sea M.H. Pinkerton, J. Bradford-Grieve National Institute of Water and ...

    Document : Site Section: Publications

  8. The effect of different methodologies used in penguin diet studies at three US AMLR predator research sites: Admiralty Bay, Palmer Station and Cape Shirreff

    Abstract:  Diet studies are a key component of the CCAMLR predator monitoring program as they ... provide direct assessments of the prey types and amounts of import to predators, which, in turn, are ... hypothesized to influence variability in related parameters such as breeding success, foraging trip durations ... and chick fledging weights. Given the importance and interdependence of diet studies to monitoring ...

    Meeting Document : WG-EMM-99/46 : Автор(ы): W. Trivelpiece, S. Trivelpiece (USA) and K. Salwicka (Poland)

  9. Patterns and processes in the distribution and dynamics of Antarctic krill

    spatially variable growth rates of krill, krill loss rates due to predators, density-dependent attraction of ... Abstract:  A general framework is presented to develop, test and integrate component models of the ... distribution and dynamics of Antarctic krill population at various spatial and temporal scales. We suggest that ... models of increasing complexity be developed iteratively for variability and patchiness of krill ...

    Meeting Document : SC-CAMLR-VII/BG/20 : Автор(ы): United States of America

  10. Diving location and depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island, Antarctica

    Island, Antarctica, diving characteristics of breeding chinstrap penguin parents were recorded by ... short trip hours during chick-rearing period. In addition, chinstrap penguins exhibited deeper dive ... need of chick-feeding and the temporal changes in prey availability between the two reproduction stages ... depth of breeding chinstrap penguins during incubation and chick-rearing period in King George Island ...

    Meeting Document : WG-EMM-17/P01 : Автор(ы): W.Y. Lee, S. Park, N. Choi, K.W. Kim, H. Chung and J.-H. Kim

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